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Test: Chapter 15 (food And Agriculture)

31 Questions  I  By Dfashauer
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Demonstrate knowledge on food and agriculture topics from chapter 15.

  
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1.  Plowing with machines, irrigating with drip systems and _____________ are all modern agricultural methods.
A.
B.
C.
D.
2.  Earth's available arable land is being reduced by
A.
B.
C.
D.
3.  Land on which crops can be grown is called ________________ land.
4.  Goats, sheep, cattle and other _______________ are cud-chewing mammals with multi-chambered stomachs.
5.  Land where it is possible to grow crops is called
A.
B.
C.
D.
6.  Genetic engineering of food crops
A.
B.
C.
D.
7.  Pest populations that damage plants
A.
B.
C.
D.
8.  Soil that can support the growth of healthy plants is called ____________.
9.  A(n) _________________ is a prolonged period during which no rain falls in a particular region.
10.  When a farmer uses no-till farming methods,
A.
B.
C.
D.
11.  The health problem caused by not eating enough necessary nutirents is known as ________________.
12.  More energy, water and land are needed to produce a gram of ______________ than to produce a gram of food from plants.
13.  Products obtained from livestock  include
A.
B.
C.
D.
14.  The name for a widespread food shortage that results in many people not having enough food is called a(n) ________________.
15.  The upper layer of topsoil consisting of rock particles, water, air and organic matter is the ________________.
16.  Which of the following is a good way to reduce salinization?
A.
B.
C.
D.
17.  Which of the following farm practices have been used by farmers only in recent years?
A.
B.
C.
D.
18.  Which of the following actions contributes to soil erosion?
A.
B.
C.
D.
19.  Which of the following agricultural products requires the least amount of energy?
A.
B.
C.
D.
20.  Erosion is most likely when the soil is
A.
B.
C.
D.
21.  The diets of people in developed countries tend to be higher in ________________ than diets of people in developing countries.
22.  The amount of a crop produced per hectare (or acre) is called the ____________________.
23.  Irrigation water usually comes from
A.
B.
C.
D.
24.  DDT is harmful to the environment because it
A.
B.
C.
D.
25.  One potential way to deal with the problem of seafood overharvesting is by intensifying ____________ efforts.
A.
B.
C.
D.
26.  The accumulation of salts in the soil, which can be caused by irrigation and low rainfall, is called ____________________.
27.  A true statement about nutritional requirements in humans is that
A.
B.
C.
D.
28.  No-till farming helps to conserve soil fertility because
A.
B.
C.
D.
29.  All of the following factors can cause famines except
A.
B.
C.
D.
30.  Farmland may become desertified if
A.
B.
C.
D.
31.  The results of the green revolution were not entirely positive because
A.
B.
C.
D.
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